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CURLOPT_SSLENGINE(3) libcurl CURLOPT_SSLENGINE(3)
NAME
CURLOPT_SSLENGINE - SSL engine identifier
SYNOPSIS
#include <curl/curl.h>
CURLcode curl_easy_setopt(CURL *handle, CURLOPT_SSLENGINE, char *id);
DESCRIPTION
Pass a pointer to a null-terminated string as parameter. It will be
used as the identifier for the crypto engine you want to use for your
private key.
The application does not have to keep the string around after setting
this option.
DEFAULT
NULL
PROTOCOLS
All TLS based protocols: HTTPS, FTPS, IMAPS, POP3S, SMTPS etc.
EXAMPLE
CURL *curl = curl_easy_init();
if(curl) {
curl_easy_setopt(curl, CURLOPT_URL, "https://example.com/");
curl_easy_setopt(curl, CURLOPT_SSLENGINE, "dynamic");
ret = curl_easy_perform(curl);
curl_easy_cleanup(curl);
}
AVAILABILITY
Only if the SSL backend is OpenSSL built with engine support.
RETURN VALUE
CURLE_OK - Engine found.
CURLE_SSL_ENGINE_NOTFOUND - Engine not found, or OpenSSL was not built
with engine support.
CURLE_SSL_ENGINE_INITFAILED - Engine found but initialization failed.
CURLE_NOT_BUILT_IN - Option not built in, OpenSSL is not the SSL
backend.
CURLE_UNKNOWN_OPTION - Option not recognized.
CURLE_OUT_OF_MEMORY - Insufficient heap space.
SEE ALSO
CURLOPT_SSLENGINE_DEFAULT(3), CURLOPT_SSLKEY(3),
ibcurl 8.1.2 April 26, 2023 CURLOPT_SSLENGINE(3)